A customer calls the project manager to express concern about a project team member who has been making changes within the live environment without approval. The team member mentioned that the customer called and asked them to make the changes.
What should the project manager do next?

Project reviews are done regularly in a project. The team has encountered a critical technical issue that will be discussed in the next project review.
Who should the project manager invite to the review for an effective decision on the way forward?

A project manager is leading the first agile project for the organization. During the kick-off meeting, the project manager notices that the team does not have the same understanding about agile approaches. The project manager is concerned about the impact of that confusion.
What should the project manager do to address this situation?

As part of project execution, a contractor proposed and conducted site acceptance tests and pre- implementation technical training. However, during the implementation phase, the project manager notes a clear gap in the project team's competence in following the implementation of the technical requirements.
What should the project manager have done to avoid this situation?

While managing a project using a hybrid approach, the project manager realizes that there is a high level of rework due to quality issues. Because of that, each feature is taking longer than initially estimated.
What should the project manager do to address the issue?